Fancy Buying KC04XL Laptop Battery for HP Envy x360 13

The Fancy Buying KC04XL is a direct-replacement 4-cell, 53.2Wh Li‑polymer battery engineered to restore full run-time to compatible HP Envy x360 13 series laptops.

If your HP Envy x360 13 is no longer holding charge or shuts down unexpectedly, this KC04XL pack provides the same voltage and capacity spec as the original and includes built-in protection circuitry. It replaces common OEM part numbers such as L08496-855, L08544-1C1, L08544-2B1, HSTNN-DB8P and others, and is designed to match the fit, connectors, and charging behavior of the factory unit.

Which HP models and part numbers does this battery replace?

This battery is compatible with a wide range of HP Envy x360 13 notebooks and several OEM part numbers. It fits the 13-AG, 13z-AG, 13m-AG, 13-AR, 13-AH, 13-AQ and related 13M/13T variants listed by HP.

• Replaces KC04XL, L08496-855, L08544-1C1, L08544-2B1, HSTNN-DB8P, HSTNN-IB8K
• Works with TPN-W133 and TPN-W136 style assemblies
• Fits specific HP Envy x360 13 model suffixes and thousands of regional SKUs

How does the battery perform and what are its safety features?

The pack is a 4-cell Li‑polymer design rated at 15.4V and 53.2Wh and includes protection circuits to prevent overcharging, overdischarging, and short circuits. The construction is intended for stable charging behavior and up to several hundred recharge cycles under normal use.

• Voltage: 15.4V; Capacity: 53.2Wh (4-cell Li‑polymer)
• Built-in overcurrent, overcharge/overdischarge, and thermal protection
• Manufactured to meet OEM-style standards for safe charging and power delivery

What installation and warranty support does Fancy Buying provide?

Installation is straightforward for users comfortable removing the bottom panel of the Envy x360 and unplugging the internal battery connector; compatibility can be verified by matching part numbers on the old battery. Fancy Buying includes a 30-day refund policy plus a 12-month warranty and responsive customer support for replacement or troubleshooting.

• 30-day full refund policy and 12-month warranty coverage
• Customer service responds within 24 hours via the seller contact option
• Instructions: compare part numbers or consult HP maintenance guide before installing

Who is this for? If you own an HP Envy x360 13-series laptop that displays reduced battery life, uneven charging, or sudden shutdowns, and your existing battery’s label matches the compatible part numbers listed, the Fancy Buying KC04XL is a cost-effective replacement engineered to restore portable run-time. It’s suitable for home users, students, and professionals who need reliable daily performance and prefer a direct swap to the original spec without changing chargers or adapters.